/*
Java board game library.
Copyright (C) 2011  Deepesh Garg

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

package d.g.boardgames.chess.player;

import d.g.boardgames.chess.*;
import d.g.boardgames.chess.ChessCellState.PieceColor;

public class SourceDelegatePlayer implements Player {

	PieceColor playerColor;
	MoveSource moveSource;
	
	Object mutex = new Object();
	ChessMove move;
	
	public SourceDelegatePlayer (PieceColor side, MoveSource source) {
		playerColor = side;
		moveSource = source;
		moveSource.registerSink(this);
	}
	
	public ChessMove getMove (ChessBoard board) {
		synchronized (mutex) {
			try {
				moveSource.startThinking(board);
				mutex.wait();
				return move;
			} catch (InterruptedException ie) {
				return null;
			}
		}
	}
	
	public void abortMove() {
		moveSource.stopThinking();
	}
	
	public void notifyMove (ChessMove chessMove) {
		move = chessMove;
		synchronized(mutex) {
			mutex.notify();
		}
	}
	
	public PieceColor getPlayerColor () {
		return playerColor;
	}
}
